<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
</head>

<body>
  <div id="app"></div>
  <script src="../react.js"></script>
  <script src="../react-dom.js"></script>
  <script>
    // 创建一个组件
    var TextAreaHook = React.createClass({
      _log: function (methodName, args) {
        console.log(methodName, args)
      },
      // 生命周期
      componentWillUpdate:function(){
        this._log('componentWillUpdate',arguments);
      },
      componentDidUpdate:function(){
        this._log('componentDidUpdate',arguments);
      },
      componentWillMount:function(){
        this._log('componentWillMount',arguments);
      },
      componentDidMount:function(){
        this._log('componentDidMount',arguments);
      },
      componentWillUnmount:function(){
        this._log('componentWillUnmount',arguments);
      },
      render:function(){
        return React.DOM.div(null,'Hello Cris!')
      }
    });
    ReactDOM.render(
      React.createElement(TextAreaHook),
      document.getElementById('app')
    )
  </script>

</body>

</html>